42201350051242 has 32 divisors (see below), whose sum is σ = 65040341449104. Its totient is φ = 20524372992000.

The previous prime is 42201350051221. The next prime is 42201350051261. The reversal of 42201350051242 is 24215005310224.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 17891707159881 + 24309642891361 = 4229859^2 + 4930481^2 .

It is a super-2 number, since 2×42201350051242² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65344018 + ... + 65986690.

Almost surely, 2^{42201350051242} is an apocalyptic number.

42201350051242 is a deficient number, since it is larger than the sum of its proper divisors (22838991397862).

42201350051242 is a wasteful number, since it uses less digits than its factorization.

42201350051242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645114.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 42201350051242 its reverse (24215005310224), we get a palindrome (66416355361466).

The spelling of 42201350051242 in words is "forty-two trillion, two hundred one billion, three hundred fifty million, fifty-one thousand, two hundred forty-two".